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natulia [17]
3 years ago
10

Simplify V45 fully, giving your answer in the form avb What is the answer to this?

Mathematics
2 answers:
Sergeu [11.5K]3 years ago
7 0

\textit{Hello There!}

\text{\underline{ANSWER:}}

=3\sqrt{5} .

\textit{Hopefully, this helps you!!}

\boxed{\text{AnimeVines}}

Alexeev081 [22]3 years ago
7 0

Answer:

\sqrt{45}

\sqrt{5 \times 3 \times 3}

\sqrt{5 { \times 3}^{2} }

3 \sqrt{5}

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to arrive at 2000 liters of 60% saline solution the attendant has to mix a 90% and a 40% saline solution. How many liters of eac
CaHeK987 [17]

Answer:

<u>800 liters</u> of 90% saline solution and <u>1200 liters</u> of 40% saline solution should be used.

Step-by-step explanation:

Given:

At 2000 liters of 60% saline solution the attendant has to mix a 90% and a 40% saline solution.

Now, to find the number of liters of saline solution each should be used.

<u><em>Let the liters of 90% saline solution mix be </em></u>x.<u><em /></u>

<u><em>And let the liters of 40% saline solution mix be</em></u> y.

So, the total number of liters:

x+y=2000.

y=2000-x\ \ \ ....(1)

Now, the total percentage of saline solution:

90\%\ of\ x+40\%\ of\ y=60\%\ of\ 2000

\frac{90}{100}\times x+\frac{40}{100}\times y=\frac{60}{100}\times 2000

0.9x+0.4y=1200

Substituting the value of y from equation (1) we get:

0.9x+0.4(2000-x)=1200

0.9x+800-0.4x=1200

0.5x+800=1200

Subtracting both sides by 800 we get:

0.5x=400

Dividing both sides by 0.5 we get:

x=800.

<u>The liters of 90% saline solution mix = 800.</u>

Now, substituting the value of x in equation (1) to get the liters of 40% saline solution:

y=2000-x

y=2000-800

y=1200.

<u>Thus, the liters of 40% saline solution = 1200.</u>

Therefore, 800 liters of 90% saline solution and 1200 liters of 40% saline solution should be used.

8 0
3 years ago
Is this problem convergent or divergent?
Svetllana [295]

Answer:

Its divergent

Step-by-step explanation:

<em><u>HOPE</u></em><em><u> </u></em><em><u>YOU</u></em><em><u> </u></em><em><u>LIKED</u></em><em><u> </u></em><em><u>IT</u></em>

6 0
2 years ago
Find the value of the expression if x=-7
LUCKY_DIMON [66]

Answer: -16

Step-by-step explanation:

49 would be the result of -7 squared. Due to the fact it is negative, it would cancel out to be positive.

For the numerator, 49-1 is equivalent to 48.

48/x+4

-7+4 = -3

48/-3

= -16

5 0
3 years ago
Given I have multiplication of integers, with an odd amount of neg(-) signs what; is the sign of my final answer?
storchak [24]
The answer of the final sign should be negative
7 0
3 years ago
A swimming pool has a perimeter of 80 feet the short side measures 16 feet what is the length of the longer sides of the pool
svlad2 [7]

2 x (L + W) = Perimeter

2(L + 16) = 80   Then divide both sides by 2

L + 16 = 40         Then subtract 16 from both sides

L = 24 feet

8 0
3 years ago
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